Windows 8 and 8.1 Forums

Windows 8 not activating

  1. #1


    Posts : 9
    Windows 8

    Windows 8 not activating


    I bought a new laptop without an OS. I purchased and installed Windows8. I bought a Windows 8 Pro key, and whenever I try to activate it, it says I need a previous version of Windows in order to activate it. Any ideas on how to activate it w/out installing another OS. Note: I am willing to purchase another key so that I do not have to reinstall Windows.

      My System SpecsSystem Spec

  2. #2


    Posts : 1,093
    Windows 8 Pro Windows 8.1 Preview


    If you have a valid Win 8 installation and a valid Win 8 Pro Upgrade license key then follow this tutorial and you should be good to go:

    https://www.eightforums.com/tutorials...ad-create.html

    Good luck and hope this helps you.
      My System SpecsSystem Spec

  3. #3


    Posts : 9
    Windows 8


    It says that because I had no previous OS, the key I have cannot be used to activate Windows 8.
      My System SpecsSystem Spec

  4. #4


    Open an elevated cmd
    Run this...:
    Code:
    REG ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Setup\OOBE /v MediaBootInstall /t reg_dword  /f /d 0


    then this...


    Code:
    slmgr /rearm
    Restart and e
    nter your upgrade key.
      My System SpecsSystem Spec

  5. #5


    Posts : 22,584
    64-bit Windows 10


    Quote Originally Posted by thegdds View Post
    It says that because I had no previous OS, the key I have cannot be used to activate Windows 8.
    It's because you did a clean install with an upgrade copy of Windows 8. See step 4 below for a couple of options to activate.

    Clean Install with Windows 8 Upgrade
      My System SpecsSystem Spec

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